64997640

素因数分解:

$2^3\times 3^7\times 5^1\times {\mathrm{743}}^1$

素因数の和:775

約数の個数: 128

約数和(自身を含む): 219628800

約数和(自身を除く): 154631160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 743, 810, 972, 1080, 1215, 1458, 1486, 1620, 1944, 2187, 2229, 2430, 2916, 2972, 3240, 3645, 3715, 4374, 4458, 4860, 5832, 5944, 6687, 7290, 7430, 8748, 8916, 9720, 10935, 11145, 13374, 14580, 14860, 17496, 17832, 20061, 21870, 22290, 26748, 29160, 29720, 33435, 40122, 43740, 44580, 53496, 60183, 66870, 80244, 87480, 89160, 100305, 120366, 133740, 160488, 180549, 200610, 240732, 267480, 300915, 361098, 401220, 481464, 541647, 601830, 722196, 802440, 902745, 1083294, 1203660, 1444392, 1624941, 1805490, 2166588, 2407320, 2708235, 3249882, 3610980, 4333176, 5416470, 6499764, 7221960, 8124705, 10832940, 12999528, 16249410, 21665880, 32498820, 64997640]

約数ペア:

[(1, 64997640), (2, 32498820), (3, 21665880), (4, 16249410), (5, 12999528), (6, 10832940), (8, 8124705), (9, 7221960), (10, 6499764), (12, 5416470), (15, 4333176), (18, 3610980), (20, 3249882), (24, 2708235), (27, 2407320), (30, 2166588), (36, 1805490), (40, 1624941), (45, 1444392), (54, 1203660), (60, 1083294), (72, 902745), (81, 802440), (90, 722196), (108, 601830), (120, 541647), (135, 481464), (162, 401220), (180, 361098), (216, 300915), (243, 267480), (270, 240732), (324, 200610), (360, 180549), (405, 160488), (486, 133740), (540, 120366), (648, 100305), (729, 89160), (743, 87480), (810, 80244), (972, 66870), (1080, 60183), (1215, 53496), (1458, 44580), (1486, 43740), (1620, 40122), (1944, 33435), (2187, 29720), (2229, 29160), (2430, 26748), (2916, 22290), (2972, 21870), (3240, 20061), (3645, 17832), (3715, 17496), (4374, 14860), (4458, 14580), (4860, 13374), (5832, 11145), (5944, 10935), (6687, 9720), (7290, 8916), (7430, 8748)]